Nexusevents

Nexus Events (branded "Nexus") operates a software platform for hosting online demo days that connect fundraising startup founders with investors. Communities apply to host events through a waiting list and can refer other communities. Each event runs as an asynchronous, online-only viewing window rather than a live session: investors RSVP, select a time slot, and are then shown a filtered set of startup pitch videos based on stated preferences. The platform states that a viewer can watch matched videos in roughly 15 minutes or all videos in about 30 minutes for smaller events, and about 45 minutes to two hours for larger ones. When both an investor and a founder opt in after a video, the platform arranges the introduction.

Access rules vary by event: some events are restricted to decision-making partners at investment firms, with tooling for a partner to invite another partner or for an assistant to RSVP on an invited investor's behalf, while other events are open to all attendees. The site describes the product's core capabilities as relationship building and "intelligent matchmaking" to surface counterparties matching a user's preferences. Support is handled by email, and late access requests are approved case by case.

The site says Nexus grew out of years of running demo days for the Stanford community, during which the team worked with more than 1,000 companies on funding rounds, and that the software was built to codify recurring fundraising patterns while reducing the logistical burden on the community running the event. The platform was subsequently opened to other communities, including Harvard and the Google alumni network (Xoogler). The website's terms of service identify the operating entity as Cameron Teitelman, Inc.

Founding story

Nexus emerged from the team's experience running demo days for the Stanford community, where they worked with over 1,000 companies on funding rounds and observed repeatable patterns that gave founders an advantage in fundraising while consuming substantial organizer time. The team productized that process as software, and reports that the resulting demo day platform helped founders obtain 8x more investor meetings while saving its own team hundreds of hours, after which the platform was opened up beyond Stanford. Founder and CEO Cameron Teitelman previously founded StartX, the Stanford University startup accelerator and founder community; Head of Engineering Thomas Breier has built software and AI tools since 2014 and was previously CTO at StartX, where he built infrastructure serving over 2,500 founders.

Business model

Nexus licenses its demo day platform to founder communities, accelerators and university venture arms, which host branded online demo days on the platform. Community hosts are onboarded via a waiting list and referral mechanism; investors participate free by RSVP and, depending on the event, may be limited to decision-making partners on an invite list. The site does not state pricing.

Traction

The site states that more than $1.5 billion has been raised on Nexus across Seed to Series B rounds, at approximately $260 million raised per year, and that hundreds of companies have been supported. It also reports that founders using the platform received 8x more investor meetings. Events hosted in 2025 include StartX Investor Demo Day Spring 2025 (April 3-24, 2025), two 650 AI Lab AI-agent demo days (May 1-15 and June 1-8, 2025), and the UTokyoIPC and Japan 2025 Summer Startup Showcase (June 9-30, 2025).

Latest developments

During 2025 the platform hosted StartX Investor Demo Day Spring 2025 (April 3-24), two 650 AI Lab demo days focused on AI agent startups (May 1-15 and June 1-8), and the UTokyoIPC and Japan 2025 Summer Startup Showcase (June 9-30), described as the first step in a broader ongoing initiative to spotlight Japanese startups. A second web property, new.nexusevents.io, serves event pages alongside the main domain.